High-precision laser ranging source alignment device of radiographic inspection machine for pipeline inspection

The utility model discloses a high-precision radiographic inspection machine laser ranging source alignment device for pipeline inspection, which comprises a mobile vehicle body, a balancing weight and a source alignment mechanism are respectively arranged on two sides of the top of the mobile vehicle body, driving grooves are arranged in the centers of two sides of the mobile vehicle body, a support shaft is arranged in the middle of the interior of each driving groove, and the support shaft is connected with the balancing weight and the source alignment mechanism. A connecting frame is arranged in the middle of the supporting shaft, the other end of the connecting frame is sleeved with a stabilizing block, the two ends of the supporting shaft penetrate into the inner wall of the driving groove to be connected with a driving mechanism, and the driving mechanism comprises an operation groove connected and communicated with the inner wall of the driving groove; a fixing frame, a first fixing block and a second